As your organization's processing needs and resources change, you might find that your current system setup no longer meets your needs. You might want to add, remove, or upgrade nodes, frames, or switches. Your changing needs might require you to perform other hardware or software modifications to your system. Planning ahead when you first configure your system can make future changes easier.
This chapter discusses the most common topics to consider prior to expanding or modifying your system. In addition, several sample scenarios illustrate the most common ways of expanding your system.
The book PSSP: Installation and Migration Guide discusses how to add, delete, or replace hardware in your system. Prior to expanding or modifying your system in any way, you should read this chapter to understand how to plan for the change. Careful planning will help ensure your system is back up and running as soon as possible.
The book IBM RS/6000 SP: Planning Volume 1, Hardware and Physical Environment discusses site planning considerations such as planning for additional floor space or power concerns. Be sure to consult that book prior to expanding or modifying your system.